
Departamento de
Ciência de Computadores
Practical exercise
Login to glite-tutor.ct.infn.it with your username and password.
upload the C code tiny_mc.c
to glite-tutor.ct.infn.it.
alter the C code such that the variable photons can assume a
different value that comes from the command line or from a file.
compile and test your code in the command line.
create JDL files to submit your executable using different
techniques: script, collection, parameter
make submission, job inspection and data retrieval as friendly as
possible.
Login to the grid.
Submit your executable using a single submission command to each
job, and only one submission command to the whole bunch. Compare the
results (execution time and queueing time).
Now, assume that you need to read the number of photons from a
storage element. What should you do?